[SR-Dev] git:master: htable: new pv counting items matching key by a regexp

Module: sip-router Branch: master Commit: d78800223909dd0c458defbb304f7c56821d1bc0 URL: http://git.sip-router.org/cgi-bin/gitweb.cgi/sip-router/?a=commit;h=d788002… Author: Elena-Ramona Modroiu &lt;ramona(a)rosdev.ro&gt; Committer: Elena-Ramona Modroiu &lt;ramona(a)rosdev.ro&gt; Date: Sat Apr 18 22:53:08 2009 +0300 htable: new pv counting items matching key by a regexp - $shtcn(ht->regexp) to return number of items that match the key by regexp --- modules_k/htable/ht_api.c | 44 ++++++++++++++++++++++++++++++++++++++++++++ modules_k/htable/ht_api.h | 1 + modules_k/htable/ht_var.c | 28 ++++++++++++++++++++++++++++ modules_k/htable/ht_var.h | 2 ++ modules_k/htable/htable.c | 2 ++ 5 files changed, 77 insertions(+), 0 deletions(-) diff --git a/modules_k/htable/ht_api.c b/modules_k/htable/ht_api.c index 0cf755e..5932f52 100644 --- a/modules_k/htable/ht_api.c +++ b/modules_k/htable/ht_api.c @@ -855,3 +855,47 @@ int ht_rm_cell_re(str *sre, ht_t *ht, int mode) return 0; } +int ht_count_cells_re(str *sre, ht_t *ht, int mode) +{ + ht_cell_t *it; + ht_cell_t *it0; + int i; + regex_t re; + regmatch_t pmatch; + int cnt = 0; + + if(sre==NULL || sre->len<=0 || ht==NULL) + return 0; + + if (regcomp(&re, sre->s, REG_EXTENDED|REG_ICASE|REG_NEWLINE)) + { + LM_ERR("bad re %s\n", sre->s); + return 0; + } + + for(i=0; i<ht->htsize; i++) + { + /* free entries */ + lock_get(&ht->entries[i].lock); + it = ht->entries[i].first; + while(it) + { + it0 = it->next; + if(mode==0) + { + /* match by name */ + if (regexec(&re, it->name.s, 1, &pmatch, 0)==0) + cnt++; + } else { + if(it->flags&AVP_VAL_STR) + if (regexec(&re, it->value.s.s, 1, &pmatch, 0)==0) + cnt++; + } + it = it0; + } + lock_release(&ht->entries[i].lock); + } + regfree(&re); + return cnt; +} + diff --git a/modules_k/htable/ht_api.h b/modules_k/htable/ht_api.h index c47fbff..99ff84a 100644 --- a/modules_k/htable/ht_api.h +++ b/modules_k/htable/ht_api.h @@ -86,5 +86,6 @@ int ht_set_cell_expire(ht_t *ht, str *name, int type, int_str *val); int ht_get_cell_expire(ht_t *ht, str *name, unsigned int *val); int ht_rm_cell_re(str *sre, ht_t *ht, int mode); +int ht_count_cells_re(str *sre, ht_t *ht, int mode); #endif diff --git a/modules_k/htable/ht_var.c b/modules_k/htable/ht_var.c index 8019719..fae9fc5 100644 --- a/modules_k/htable/ht_var.c +++ b/modules_k/htable/ht_var.c @@ -235,3 +235,31 @@ int pv_set_ht_cell_expire(struct sip_msg* msg, pv_param_t *param, return 0; } +int pv_get_ht_cn(struct sip_msg *msg, pv_param_t *param, + pv_value_t *res) +{ + str htname; + ht_pv_t *hpv; + int cnt = 0; + + hpv = (ht_pv_t*)param->pvn.u.dname; + + if(hpv->ht==NULL) + { + hpv->ht = ht_get_table(&hpv->htname); + if(hpv->ht==NULL) + return pv_get_null(msg, param, res); + } + if(pv_printf_s(msg, hpv->pve, &htname)!=0) + { + LM_ERR("cannot get $ht name\n"); + return -1; + } + + cnt = ht_count_cells_re(&htname, hpv->ht, 0); + + /* integer */ + return pv_get_sintval(msg, param, res, cnt); +} + + diff --git a/modules_k/htable/ht_var.h b/modules_k/htable/ht_var.h index 472e813..4f4f021 100644 --- a/modules_k/htable/ht_var.h +++ b/modules_k/htable/ht_var.h @@ -34,5 +34,7 @@ int pv_get_ht_cell_expire(struct sip_msg *msg, pv_param_t *param, pv_value_t *res); int pv_set_ht_cell_expire(struct sip_msg* msg, pv_param_t *param, int op, pv_value_t *val); +int pv_get_ht_cn(struct sip_msg *msg, pv_param_t *param, + pv_value_t *res); #endif diff --git a/modules_k/htable/htable.c b/modules_k/htable/htable.c index 796038e..d4e52e6 100644 --- a/modules_k/htable/htable.c +++ b/modules_k/htable/htable.c @@ -62,6 +62,8 @@ static pv_export_t mod_pvs[] = { { {"shtex", sizeof("shtex")-1}, PVT_OTHER, pv_get_ht_cell_expire, pv_set_ht_cell_expire, pv_parse_ht_name, 0, 0, 0 }, + { {"shtcn", sizeof("shtcn")-1}, PVT_OTHER, pv_get_ht_cn, 0, + pv_parse_ht_name, 0, 0, 0 }, { {0, 0}, 0, 0, 0, 0, 0, 0, 0 } };